Halo 4 details the Prometheans [Video]

Previous Halo titles have talked about the Prometheans and the Forerunners, but in Halo 4 they will be the main antagonists. In this new, ten minute docu-advert, developers from 343 Industries talk about the design, weaponry, lore and all the other processes that went into shaping the Prometheans as a fully fleshed-out race.